What are the cheapest airlines to fly from O'ahu to Ireland one-way?

To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $373. Aer Lingus flights start at $651 while deals on Lufthansa start at $723 one-way.

How far in advance should I book a flight from O'ahu to Ireland?

Travelers have found it’s best to book a flight 25 days in advance to save up to 162% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 25 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from O'ahu to Ireland 1-2 weeks in advance for as low as $741, or $1,661 for flights within the next 24 hours.

What is the cheapest month to fly from O'ahu to Ireland?

November can be a great time to fly to Ireland from O'ahu with a flight ticket averaging about $979. Cheapflights users have found deals in the month of November for as cheap as $558. The most expensive prices can be found in the month of June.

Can I find deals for flights from O'ahu to Ireland that include hotel bookings?

Yes. In addition to deals on O'ahu to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from O'ahu to Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'ahu to Ireland.

Can I find deals for business class flights from O'ahu to Ireland?

Yes. Cheapflights offers flight deals from O'ahu to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,112+ Flights from O'ahu to Ireland - Compare & Save Big

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Cheap flight deals from O'ahu to Ireland

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$850 (Aunt Betty)
One-way from	$373 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$1,136

Provider with most accurate pricing for Honolulu-Dublin flight deals.

Search Deals

Provider most trusted by Cheapflights users for Honolulu-Dublin flights.

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From O'ahu to Ireland

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One-way flight from O'ahu to Ireland

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($205 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

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Find flight deals from O'ahu to Ireland

Cheapest flights from O'ahu to Ireland
Explore the most affordable flight options available from O'ahu to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Tue 11/116:15 pmHNL - DUB

2 stops26h 45mUnited Airlines

Tue 11/1811:50 amDUB - HNL

2 stops36h 45mUnited Airlines

Deal found 4/29

$651

Tue 11/114:00 pmHNL - DUB

1 stop29h 45mDelta

Tue 11/189:45 amDUB - HNL

2 stops22h 02mDelta

Deal found 4/29

$668

Fri 11/1411:00 pmHNL - DUB

2 stops22h 10mAir Canada

Fri 11/289:00 amDUB - HNL

2 stops22h 34mAir Canada

Deal found 4/30

$684

Tue 11/117:50 pmHNL - DUB

1 stop25h 25mMultiple Airlines

Tue 11/182:05 pmDUB - HNL

1 stop33h 45mMultiple Airlines

Deal found 4/29

$789

Sun 11/92:15 pmHNL - SNN

2 stops59h 15mAir Canada

Thu 11/277:45 amSNN - HNL

2 stops23h 49mAir Canada

Deal found 5/1

$808

Sun 11/97:05 amHNL - SNN

2 stops23h 40mAmerican Airlines

Thu 11/277:45 amSNN - HNL

2 stops24h 30mAmerican Airlines

Deal found 4/30

$832

Sun 11/92:15 pmHNL - SNN

2 stops40h 30mMultiple Airlines

Thu 11/277:45 amSNN - HNL

3 stops39h 15mMultiple Airlines

Deal found 4/30

$874

Sun 6/110:05 pmHNL - DUB

1 stop22h 40mLufthansa

Fri 6/139:20 amDUB - HNL

1 stop22h 30mLufthansa

Deal found 4/30

$889

Fri 9/55:30 pmHNL - DUB

2 stops33h 55mBritish Airways

Fri 9/128:15 pmDUB - HNL

2 stops35h 58mBritish Airways

Deal found 4/30

$931

Wed 10/110:43 pmHNL - DUB

2 stops24h 02mAmerican Airlines

Wed 10/1512:40 pmDUB - HNL

2 stops33h 31mAmerican Airlines

Deal found 4/30

$957

Thu 7/1011:45 pmHNL - SNN

2 stops24h 35mBritish Airways

Sat 8/97:40 amSNN - HNL

2 stops38h 46mBritish Airways

Deal found 4/29

$1,059

Tue 5/68:05 amHNL - DUB

2 stops40h 45mScandinavian Airlines

Fri 5/1612:40 pmDUB - HNL

2 stops42h 54mScandinavian Airlines

Deal found 4/29

$1,122

Best flights from O'ahu to Ireland
Discover carefully curated flight deals from O'ahu to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Sun 6/110:05 pmHNL - DUB

1 stop22h 40mAir Canada

Tue 6/179:20 amDUB - HNL

2 stops22h 30mAir Canada

Deal found 4/30

$850

Sun 6/110:05 pmHNL - DUB

1 stop22h 40mLufthansa

Fri 6/139:20 amDUB - HNL

1 stop22h 30mLufthansa

Deal found 4/30

$889

Fri 9/510:05 pmHNL - DUB

1 stop22h 40mMultiple Airlines

Fri 9/126:40 pmDUB - HNL

2 stops37h 10mMultiple Airlines

Deal found 4/30

$927

Fri 9/55:30 pmHNL - DUB

2 stops33h 55mBritish Airways

Fri 9/128:15 pmDUB - HNL

2 stops35h 58mBritish Airways

Deal found 4/30

$931

Wed 10/110:43 pmHNL - DUB

2 stops24h 02mAmerican Airlines

Wed 10/1512:40 pmDUB - HNL

2 stops33h 31mAmerican Airlines

Deal found 4/30

$957

Sat 6/143:20 pmHNL - DUB

1 stop30h 55mKLM

Sat 6/2111:10 amDUB - HNL

2 stops42h 57mKLM

Deal found 4/30

$1,211

Mon 5/127:55 pmHNL - SNN

2 stops27h 20mUnited Airlines

Wed 5/289:30 amSNN - HNL

2 stops23h 14mUnited Airlines

Deal found 4/30

$1,288

Thu 7/1011:45 pmHNL - SNN

2 stops24h 35mBritish Airways

Sat 8/97:40 amSNN - HNL

2 stops38h 46mBritish Airways

Deal found 4/29

$1,059

Thu 7/103:20 pmHNL - SNN

1 stop32h 50mDelta

Sat 8/91:05 pmSNN - HNL

2 stops33h 48mDelta

Deal found 4/29

$2,243

Mon 5/127:00 amHNL - SNN

3 stops26h 35mAir Canada

Wed 5/287:40 amSNN - HNL

2 stops24h 08mAir Canada

Deal found 4/30

$1,385

Sun 5/119:30 pmHNL - SNN

2 stops26h 50mAmerican Airlines

Tue 5/207:40 amSNN - HNL

2 stops24h 31mAmerican Airlines

Deal found 4/30

$1,450

Sun 5/117:00 amHNL - SNN

3 stops26h 35mMultiple Airlines

Tue 5/207:40 amSNN - HNL

2 stops24h 08mMultiple Airlines

Deal found 4/30

$1,774

Last-minute flights from O'ahu to Ireland
Discover last-minute flight deals from O'ahu to Ireland. Data last updated May 1, 2025 and is based on user searches.

Sun 5/49:40 pmHNL - SNN

2 stops25h 35mUnited Airlines

Sat 5/1712:30 pmSNN - HNL

2 stops33h 53mUnited Airlines

Deal found 4/30

$1,288

Sun 5/47:00 amHNL - DUB

2 stops42h 10mSWISS

Sat 5/106:40 pmDUB - HNL

2 stops37h 08mSWISS

Deal found 4/30

$1,647

Sun 5/48:00 amHNL - DUB

2 stops27h 15mMultiple Airlines

Sat 5/106:40 pmDUB - HNL

2 stops37h 08mMultiple Airlines

Deal found 4/29

$1,651

Sun 5/46:20 amHNL - DUB

1 stop21h 10mAer Lingus

Sat 5/103:25 pmDUB - HNL

1 stop31h 22mAer Lingus

Deal found 4/30

$2,091

Tue 5/68:05 amHNL - DUB

2 stops40h 45mScandinavian Airlines

Fri 5/1612:40 pmDUB - HNL

2 stops42h 54mScandinavian Airlines

Deal found 4/29

$1,122

Tue 5/610:05 pmHNL - DUB

2 stops23h 10mLufthansa

Fri 5/169:20 amDUB - HNL

1 stop22h 28mLufthansa

Deal found 4/29

$1,296

Tue 5/66:20 amHNL - DUB

1 stop21h 10mAmerican Airlines

Fri 5/163:25 pmDUB - HNL

1 stop31h 22mAmerican Airlines

Deal found 4/29

$1,455

Sun 5/119:30 pmHNL - SNN

2 stops26h 50mAmerican Airlines

Tue 5/207:40 amSNN - HNL

2 stops24h 31mAmerican Airlines

Deal found 4/30

$1,450

Sun 5/117:00 amHNL - SNN

3 stops26h 35mMultiple Airlines

Tue 5/207:40 amSNN - HNL

2 stops24h 08mMultiple Airlines

Deal found 4/30

$1,774

Mon 5/127:00 amHNL - SNN

3 stops26h 35mAir Canada

Wed 5/287:40 amSNN - HNL

2 stops24h 08mAir Canada

Deal found 4/30

$1,385

One-way flights from O'ahu to Ireland
Search for one-way flight options from O'ahu to Ireland. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Mon 6/2310:45 pmHNL - DUB

3 stops46h 40mWestJet

Deal found 4/29

$373

Mon 6/2310:45 pmHNL - DUB

2 stops48h 15mMultiple Airlines

Deal found 4/29

$581

Fri 5/306:20 amHNL - DUB

1 stop21h 10mAer Lingus

Deal found 4/30

$651

Mon 6/2310:05 pmHNL - DUB

1 stop22h 40mLufthansa

Deal found 4/29

$723

Fri 5/3010:05 pmHNL - DUB

2 stops47h 10mAir Canada

Deal found 4/30

$730

Thu 5/294:10 pmHNL - DUB

1 stop28h 45mDelta

Deal found 4/30

$765

Cheapflights Fare Finder

Use the filters below to find and compare flights from O'ahu to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Sun 6/1

10:05 pm-7:45 am

2 stops22h 40m

Dublin

Tue 6/17

9:20 am-8:50 pm

2 stops22h 30m

$850

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Sun 6/1

10:05 pm-7:45 am

1 stop22h 40m

Dublin

Fri 6/13

9:20 am-8:50 pm

1 stop22h 30m

$889

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Mon 6/2

10:05 pm-7:45 am

2 stops46h 40m

Dublin

Fri 6/13

9:20 am-8:50 pm

1 stop22h 30m

$890

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Fri 9/5

5:30 pm-2:25 pm

2 stops33h 55m

Dublin

Fri 9/12

8:15 pm-9:13 pm

2 stops35h 58m

$931

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Wed 10/1

10:43 pm-9:45 am

2 stops24h 02m

Dublin

Wed 10/15

12:40 pm-11:11 am

2 stops33h 31m

$957

HonoluluShannon

HNL - SNN

HNLSNN

Honolulu

Thu 7/10

11:45 pm-11:20 am

2 stops24h 35m

Shannon

Sat 8/9

7:40 am-11:26 am

2 stops38h 46m

$1,059

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Sat 6/14

3:20 pm-9:15 am

1 stop30h 55m

Dublin

Sat 6/21

11:10 am-7:07 pm

2 stops42h 57m

$1,211

HonoluluShannon

HNL - SNN

HNLSNN

Honolulu

Mon 5/12

7:55 pm-10:15 am

2 stops27h 20m

Shannon

Wed 5/28

9:30 am-9:44 pm

2 stops23h 14m

$1,288

HonoluluShannon

HNL - SNN

HNLSNN

Honolulu

Mon 5/12

7:00 am-8:35 pm

3 stops26h 35m

Shannon

Wed 5/28

7:40 am-8:48 pm

2 stops24h 08m

$1,385

HonoluluShannon

HNL - SNN

HNLSNN

Honolulu

Sun 5/11

9:30 pm-11:20 am

2 stops26h 50m

Shannon

Tue 5/20

7:40 am-9:11 pm

2 stops24h 31m

$1,450

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 18 results

Best time to book a flight from O'ahu to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from O'ahu with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from O'ahu to Ireland

What is the cheapest month to book a flight from O'ahu to Ireland?

Currently, November is the cheapest month in which you can book a flight from O'ahu to Ireland (average of $509). Flying from O'ahu to Ireland in June is currently the most expensive (average of $981). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from FUW to IE?

When flying from O'ahu to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ireland by month

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Ireland

Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from O'ahu to Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet

7.2

Good

2,826 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from O'ahu to Ireland one-way?
To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $373. Aer Lingus flights start at $651 while deals on Lufthansa start at $723 one-way.
Can I find deals for flights from O'ahu to Ireland that include hotel bookings?
Yes. In addition to deals on O'ahu to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'ahu to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'ahu to Ireland.
Can I find deals for business class flights from O'ahu to Ireland?
Yes. Cheapflights offers flight deals from O'ahu to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from O'ahu to Ireland?
Currently, November is the cheapest month in which you can book a flight from O'ahu to Ireland (average of $509). Flying from O'ahu to Ireland in June is currently the most expensive (average of $981). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from O'ahu to Ireland

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$564	Average$668	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$574	Average$985	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$577	Average$941	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$581	Average$760	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$613	Average$1,028	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$623	Average$1,050	FlexibilityNo cancel fee	On-time71%
WestJet	Cheapest$1,119	Average$1,381	FlexibilityNo cancel fee	On-time60%

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$373+ Cheap flights from O'ahu to Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from O'ahu to Ireland with Cheapflights

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Cheap flight deals from O'ahu to Ireland

Keep the following information in mind while searching for O'ahu to Ireland flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from O'ahu to Ireland

Cheapest flights from O'ahu to IrelandExplore the most affordable flight options available from O'ahu to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from O'ahu to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from O'ahu to Ireland that are best for you.

Best time to book a flight from O'ahu to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from O'ahu with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from O'ahu to Ireland

What is the cheapest month to book a flight from O'ahu to Ireland?

What is the cheapest time of day to fly from FUW to IE?

Find hourly flight availability from O'ahu to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated May 1, 2025.

Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from O'ahu to Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from O'ahu to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from O'ahu to Ireland one-way?

Can I find deals for flights from O'ahu to Ireland that include hotel bookings?

How can I find direct flights from O'ahu to Ireland?

Can I find deals for business class flights from O'ahu to Ireland?

What is the cheapest month to book a flight from O'ahu to Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'ahu to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from O'ahu to Ireland

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Cheapest flights from O'ahu to Ireland
Explore the most affordable flight options available from O'ahu to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.